If you are looking for clues telling you which stocks have a good chance of increasing in value, you might want consider watching what insiders are doing. After all, talk is cheap, but when insiders put their own money on the line, you should sit up and take note.

Coca-Cola (KO) topped the insider-buying charts for the week ending July 9th as insiders snapped up 270,000 shares of company stock at a market value of $16,899,786. During the past six months, insiders have increased their overall holdings in the company by 3.15% and now own 0.55% of KO stock.

Analyst Upgrades

• Piper Jaffray upgraded Dreamworks (DWA) to overweight from neutral following the company's Q2 results. The firm also raised its target for shares to $38 from $30.
• Stephens upgraded Global Payments (GPN) with a $50 price target following the company's Q4 results. Note, shares were downgraded this morning at Janney Montgomery.
• BMO Capital upgraded Carrizo Oil & Gas (CRZO) to outperform from market perform, citing the company's planned exploration activity. The firm raised its price target to $27 from $23.
• eHealth (EHTH) was upgraded to perform from underperform at Oppenheimer and to buy from neutral at BofA/Merrill.
• NASDAQ OMX (NDAQ) was upgraded to buy from hold at Stifel Nicolaus.
• C.H. Robinson (CHRW) was upgraded to outperform from market perform at BMO Capital.

As earnings season begins to wind down, some apparel retailers are scheduled to report quarterly results this week. Analysts polled by Thomson Reuters anticipate that Walmart Stores Inc. (NYSE: WMT), the 800-pound gorilla in the space, will report that it earned $0.77 per share in the first quarter, about the same as in the first quarter of last year. But JCPenney Co. (NYSE: JCP), Kohl's Corp. (NYSE: KSS), Nordstrom Inc. (NYSE: JWN), and Urban Outfitters Inc. (NASDAQ: URBN) are expected to report lower profits for the first quarter as consumers continued to hold off on spending. Macy's Inc. (NYSE: M) and Abercrombie & Fitch Co. (NYSE: ANF) are expected to have swung to a loss year over year.

Whole Foods Market Inc. (NASDAQ: WFMI) and Winn Dixie Stores Inc. (NASDAQ: WINN) are likewise expected to report declining earnings, while the Great Atlantic & Pacific Tea Co. (NYSE: GAP), parent of the A&P supermarket chain, is expected to have narrowed its net loss 68.9% to $0.28 per share.

MOST NOTEWORTHY: Pioneer Southwest, Art Technology and Real Goods Solar were today's noteworthy initiations:

• Friedman Billings initiated Pioneer Southwest (NYSE: PSE) with an Outperform rating and $25 target. The firm believes the current valuation does not reflect potential upside from the upstream drop-downs, which would result in higher distributions.
  
• ThinkPanmure believes Art Technology (NASDAQ: ARTG) is well-positioned to benefit from a strong replatforming cycle. Shares were initiated with a Buy rating and $4.50 target.
  
• Broadpoint said Real Goods Solar (NASDAQ: RSOL) has a disciplined operational model leading to profitable growth, and started shares with a Buy rating and $10 target. ThinkPanmure also initiated Real Goods Solar with a Buy rating and $10 target and said the company is well-positioned given strong underlying trends that include higher retail electricity costs, legislative renewable energy standards and incentives, declining solar photovoltaic systems costs, and "green momentum."

OTHER INITIATIONS:

• Credit Suisse assumed Telmex International (NYSE: TII) with a Neutral rating and $18 target.
  
• Athenahealth (NASDAQ: ATHN) was initiated with a Hold rating at BB&T Capital.
  
• Western Gas Partners (NYSE: WES) was started at Citigroup with a Hold rating and $18.50 target.