Closing Bell: When cheerleaders lose the pom-poms (AAPL, WMT, HANS, PMTI, DNDN, PALM)

Apple Inc. (NASDAQ: AAPL) must be wondering just how much Steve Jobs is really worth. The reports that Steve Jobs was returning to duty at the end of the month had shares up early by a few percent, but shares were up onlyy 0.5% at $144.50 late in the trading session before the close.

Wal-Mart Stores Inc. (NYSE: WMT) announced a new plan to repurchase up to $15 billion worth of common stock after its repurchased about $11.6 billion over the last two years under the prior $15 billion buyback plan.

Hansen Natural Corp. (NASDAQ: HANS) was a big quiet loser today. The beverage maker said at its shareholder meeting that it had disappointing late-May sales. Traders pounded that news, and shares were off 11% at $32.50 late in the day.

Palomar Medical Technologies Inc. (NASDAQ: PMTI) saw shares surge to new heights not seen for 18-months after FDA Approval for over-the-counter clearance for it home-use laser device for the treatment of periorbital wrinkles for the eyes.

Dendreon Corp. (NASDAQ: DNDN) saw shares open sharply higher after Deutsche Bank's upgrade implies almost 50% upside. Shares were up close to 2% at $25.88 late in the day and traded as high as $27.00 this morning.

Palm Inc. (NASDAQ: PALM) was down at the end of the day. This weekend is supposed to mark the launch of its Pre smart phone. iSupply figured that Palm could ship 1.1 million units this year. The problem is that there are suppositions to that, and that might not be enough market share for it to turn the stock further. Shares were off 4% at $13.08 late in the day.