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Hot Stock Minute

Here are some of the stocks the Yahoo Finance team will be watching for you today.

Fuel cell maker Plug Power (PLUG) reported a loss of $0.08 a share, in line with estimates. Revenue jumped 35%, but is still just $8 million. The company has been an active trade this week, swinging from steep gains early in the week, to steeper losses and back again. The company had been rising on new contracts with Wal-Mart (WMT), but an analyst this week said he sees the company fairly valued at just $0.50 a share. That sent the stock sharply lower.

Williams-Sonoma (WSM) reported better-than-expected quarterly earnings and revenue after yesterday's close. Earnings per share beat estimates by $0.02 and revenue rose more than 4%. Sales were particularly strong for the company's West Elm and Pottery Barn brands. The board also authorized a 6% increase in the quarterly dividend bringing it to $0.33 a share.

We’re also watching Krispy Kreme (KKD) after the company yesterday raised its outlook for the full year and boosted its stock buyback by $30 million. The doughnut-maker reported third quarter results slightly below estimates. Earnings missed by a penny. Revenue increased more than 3%, but just missed estimates. Same store sales grew 6% in the U.S., but international sales declined 3%. Krispy Kreme said it expects its worldwide store count to increase 10% this year. The company currently have more than 800 locations around the world.

And Herbalife (HLF) shares had a volatile day yesterday. The stock closed down 7.4% Wednesday at $60.54 after falling below $55 at one point. Trading was even halted for about a half hour. All this after the nutritional supplement company said it was the focus of a Federal Trade Commission investigation. Herbalife said it will cooperate with investigators. Hedge fund manager Bill Ackman has accused the company of being a pyramid scheme and has said it violates Chinese labor laws.