So, the unemployment rate sank below 9% in February, but investors didn't seem to be impressed by that. The Dow, Nasdaq and S&P 500 all fell on Friday over concerns about how the ongoing unrest in the Middle East might affect energy prices, and thus the economic recovery.

Will this coming week's economic calendar offer anything likely to bring excitement to the markets? Here's what's on tap:

• Monday: Consumer credit numbers for January
• Tuesday: Weekly chain store sales, TIPP Economic Optimism Index

Analyst Upgrades

• Hewlett-Packard (HPQ) to buy from neutral at UBS.
• Fluor (FLR) to overweight from neutral at JPMorgan.
• Macy's (M) to outperform from neutral at Credit Suisse.
• Canadian Solar (CSIQ), JA Solar (JASO) and HeartWare (HTWR) to buy from hold at Auriga.
• Ashford Hospitality (AHT) to outperform from market perform at FBR Capital.
• RenaissanceRe (RNR) to buy from neutral at Janney Capital.
• DCT Industrial (DCT) to market perform from underperform at Wells Fargo.
• Coeur d'Alene Mines (CDE) and Silver Standard (SSRI) to buy from hold at Deutsche Bank.
• Weatherford (WFT), Hercules (HERO), GulfMark Offshore (GLF), Tidewater (TDW) and GlaxoSmithKline (GSK) to buy from hold, and Diamond Offshore (DO) to hold from underperform, at Jefferies.
• Ritchie Bros. (RBA) to buy from neutral at BofA/Merrill.
• AstraZeneca (AZN) to buy from hold at Citigroup.

Analyst Upgrades

• Yingli Green (YGE) to outperform from market perform at Wells Fargo.
• National Semiconductor (NSM) to outperform from market perform at FBR Capital.
• DuPont (DD) to buy from hold at Citigroup.
• Blackboard (BBBB) to overweight from neutral at JPMorgan.
• Kindred Healthcare (KND) to buy from hold at Jefferies.
• Peabody Energy (BTU) to outperform from market perform at BMO Capital.
• Savvis (SVVS) to buy from neutral and InterActiveCorp (IACI) to neutral from underperform at BofA/Merrill.

Analyst Upgrades

• DuPont (DD) was upgraded to buy from neutral at Goldman.
• UBS upgraded Deere (DE) to buy from neutral and AGCO (AGCO) to neutral from sell.
• Canadian Solar (CSIQ) was upgraded to outperform from neutral at Macquarie.
• Thoratec (THOR) and DTE Energy (DTE) were upgraded to overweight from equal weight at Barclays.
• NICE Systems (NICE) was upgraded to overweight from neutral at HSBC.
• Deutsche Bank upgraded Copa Holdings (CPA) to buy from hold.
• BofA/Merrill upgraded Nu Skin (NUS) to buy from neutral.
• Continental Resources (CLR) was upgraded to buy from hold at Jefferies.

Analyst Upgrades

• Best Buy (BBY) was upgraded to top pick from outperform at RBC Capital, as the firm thinks the company's valuation is inexpensive while it will perform well during the holiday season.
• Credit Suisse upgraded CF Industries (CF) to outperform from neutral, citing favorable fundamentals in nitrogen and phosphate markets.
• Canadian Solar (CSIQ) was raised to buy from hold by Jefferies, which cited expectations for higher selling prices next year and cost savings from sourcing more components internally.
• BMO Capital upgraded RC2 Corp. (RCRC) to outperform from market perform as the firm believes that RC2's baby products are performing better than previously expected.
• Ericsson (ERIC) was upgraded to neutral from underperform at BofA/Merril.
• ProLogis (PLD) was upgraded to buy from hold at Stifel Nicolaus.
• Constellation Energy (CEG) was upgraded to outperform from neutral at Macquarie.

• Citigroup assumed coverage of Boeing (BA) and upgraded the stock to Buy from Hold due to its positive view on the aerospace cycle and valuation. The firm raised its target for shares to $80 from $73.
• Morgan Stanley upgraded Motorola (MOT) to Overweight from Underweight citing expectations for higher handset margins driven by Android. The analyst raised Android unit shipping estimates and earnings estimates. The firm raised its price target on shares to $9.75 from $8.75.
• Susquehanna upgraded SINA Corporation (SINA) to Positive from Neutral and has a $50 target on the stock. The firm said Sina'a Twitter like service called 'Sina Weibo' has seen exponential growth and will crate huge value for the company.
• AOL (AOL) was upgraded to Neutral from Underperform at Credit Suisse.
• Frontier Communications (FTR) was upgraded to Sector Perform from Underperform at RBC Capital and to Buy from Hold at Hudson Square.
• Canadian Solar (CSIQ) was upgraded to Outperform from Market Perform at Wells Fargo.

With the Memorial Day holiday in the U.S. and the fact that the earnings season has largely wound down, things will be fairly quiet on the economic calendar this week. Like the other big Canadian banks did last week, Bank of Nova Scotia (BNS) is expected to post strong second-quarter results. The same is true of Shoe Carnival (SCVL) and its competitor Collective Brands (PSS). But the earnings highlight of the week may come from America's Car-Mart Inc. (CRMT).

Bentonville Ark.-based America's Car-Mart, the largest publicly traded used auto retailer in the U.S., opened new dealerships and upgraded its communications infrastructure in its fiscal fourth quarter. Analysts surveyed by Thomson Reuters expect its earnings to have risen more than 25% from the same period of the previous year. Revenue for the three months that ended in April is expected to have risen about 14% in the past year. The consensus forecast for the full year has EPS up more than 30% and revenue up about 13%. The company's per-share earnings have beat consensus estimates in past four quarters, by as much as 45%.

Analyst Upgrades

• FBR Capital upgraded Transocean (RIG) to outperform from market perform as it believes congressional hearings and reports indicate the company's blowout preventer at the Deepwater Horizon likely worked properly. The firm has an $87 price target for shares.
• Auriga upgraded First Solar (FSLR) to buy from hold as it believes the recent sell-off in shares as created an attractive entry point. Despite upgrading, the firm lowered its target for shares to $138 from $147.
• Soleil upgraded Priceline.com (PCLN) to buy from hold, citing a favorable risk-reward profile. Despite the upgrade, the firm lowered its target for shares to $230 from $250.
• Blackrock (BLK) was upgraded to conviction buy from buy at Goldman.
• Abbott (ABT) was upgraded to hold from sell at Citigroup.
• Exxon Mobil (XOM) was upgraded to outperform from sector perform at RBC Capital.

Analyst Upgrades

• Citigroup upgraded Baker Hughes (BHI) to hold from sell following the company's Q1 results.
• Auriga upgraded Canadian Solar (CSIQ) to buy from hold as it believes the company's negative preannouncement on April 20 removes a downside catalyst. Despite upgrading, the firm lowered its target for shares to $21 from $25.
• Deutsche Bank upgraded Post Properties (PPS) to hold from sell following the company's Q1 results. The firm upped its target for shares to $27 from $16.
• Wright Express (WXS) was upgraded to buy from neutral at Goldman.
• Nvidia (NVDA) coverage was assumed with a buy from hold at ThinkEquity.
• Elan (ELN) was upgraded to neutral from sell at UBS.

Analyst upgrades

• Deutsche Bank upgraded Sonoco Products (SON) to buy from hold after the company reported Q1 results and raised guidance. The firm upped its target for shares to $38 from $32.
• Baird upgraded Western Digital (WDC) to outperform from neutral following the solid Q3 report and guidance. The firm raised its target to $50 from $48.
• Goldman upgraded Qwest (Q) to neutral from sell. Qwest is being acquired by CenturyLink (CTL).
• Hershey (HSY) was upgraded to neutral from underweight at JPMorgan.
• Principal Financial (PFG) was upgraded to neutral from sell at UBS.
• Monster Worldwide (MWW) was upgraded to market perform from underperform at Wells Fargo.

Here are some highlights from this past week's earnings coverage on BloggingStocks:

• Ann Taylor Stores Corp. (ANN) declining same-store sales offset better-than-expected Q3 earnings.
• Canadian Solar Inc. (CSIQ) reached a new 52-week high after Q3 results handily exceeded expectations.
• Dillard's Inc. (DDS) said that it swung to a Q3 profit due to cost cutting as revenue declined year over year.
• GameStop Corp. (GME) reported uninspiring Q3 numbers that included a slump in same-store sales.
• Home Depot Inc. (HD) lower Q3 earnings and revenue beat analysts' estimates, but shares still declined.

Canadian Solar Inc. (CSIQ) tagged a new 52-week peak Tuesday morning in the wake of its latest earnings report. The solar company announced that it raked in a third-quarter profit of $25.3 million, or 69 cents per share, while revenue dipped 16% to $213.1 million. The results handily exceeded analysts' consensus expectations for a profit of 54 cents per share on $210.9 million in revenue.

Shipments for the recently concluded quarter more than doubled on a sequential basis, arriving at 102.6 megawatts (MW). For 2010, Canadian Solar said it expects shipments to range between 600 MW and 700 MW, compared to the current 2009 forecast for shipments of 295 MW to 305 MW.

Analyst upgrades:

• Jefferies upgraded Warner Chilcott (NASDAQ: WCRX) to Buy from Hold. The firm views Warner Chilcott's acquisition of P&G's (NYSE: PG) pharma business as a positive given its attractive product fit and purchase price.
• ThinkEquity upgraded Google (NASDAQ: GOOG) to Buy from Source of Funds and raised its target to $550 from $400. Previously, the firm thought Google Street estimates were too high and that low single-digit growth in Q2 and Q3 would cause multiple contraction. They said their thesis played out fundamentally but they were wrong on the stock. Given Q2 has past, the analyst raised estimates above consensus and expects an in-line Q3 and for shares to outperform as the economic cycle turns.
• Bernstein upgraded Diageo (NYSE: DEO) to Outperform from Market Perform and views Diageo's valuation as attractive. The firm expects 2H09 results on August 27 to mark a bottom in weakening top-line trends.
• Costco (NASDAQ: COST) was upgraded to Market Perform from Underperform at William Blair.
• Lowe's (NYSE: LOW) was upgraded to Overweight from Equal Weight at Morgan Stanley.
• Siemens (NYSE: SI) was upgraded to Buy from Neutral at BofA/Merrill.

Here are some highlights from this past week's earnings coverage from BloggingStocks:

• American Eagle Outfitters Inc. (NYSE: AEO) reported better-than-expected Q1 earnings, lifting shares.
• AutoZone Inc. (NYSE: AZO) posted a better-than-expected Q3 profit said it will continue to buy back shares.
• Bank of Montreal (NYSE: BMO) reported lower Q2 earnings and also announced 1,100 layoffs.
• Big Lots Inc. (NYSE: BIG) higher Q1 earnings topped estimates even though same-store sales fell.
• BioMed Realty Trust Inc. (NYSE: BMR) earnings prospects after the recent capital raise led to a downgrade.

It was good news, bad news Tuesday for maple leaf stocks Bank of Montreal (NYSE: BMO) and Canadian Solar Inc. (NYSE: CSIQ). While both reported better than expected quarterly results, Bank of Montreal reported lower second-quarter earnings and said it would lay off 1,100 employees, and Canadian Solar posted a first-quarter loss due to plunging revenues.

Bank of Montreal, Canada's fourth-largest bank, reported its profit declined to C$358 million (US$317 million), or 61 Canadian cents per share, in the quarter that ended April 30. Results included one-time charges of C$80 million for losses in BMO's backup financing operations and C$80 million in severance costs for job cuts. Adjusted earnings came to 93 Canadian cents per share, just above analysts' expectations.