Web applications provider Vignette Corp recently said its board authorized the purchase of an additional $75 million of its common stock. The stock trades for 10x cash flow.

Nu Skin Enterprises Inc., which sells personal-care products, said last week that its board approved a $100 million increase to its ongoing repurchase program. The company also announced its third-quarter net income rose, helped by higher sales in the U.S. and elsewhere. The stock trades for 10x cash flow.

Clinical lab services provider Laboratory Corporation of America Holdings said last week that its board of directors approved a $500 million stock buyback program. The company also said it bought back $131 million worth of stock during the fourth quarter and still has approval to buyback $198.2 million under a previous buyback plan. LH's target price was reduced at Credit Suisse to $84 from $89 after Q3 results and guidance fell short of estimates. However, believes sell-off is overdone. Maintained Outperform rating. The stock trades for 9x cash flow.

Chip testing equipment maker Teradyne Inc. said last week that its board authorized the repurchase of up to $400 million worth of common stock. The stock trades for 13x cash flow.

UST Inc., which makes of smokeless tobacco products and produces wine, said Tuesday it increased its stock buyback plan to $350 million for the fourth quarter. In all, the company now plans to buy back $600 million in stock for the year. The company also raised its 2007 earnings guidance, citing strong third-quarter results. The stock trades for 9x cash flow.

Networking equipment maker QLogic Corp. said last week that it plans to repurchase up to $200 million of its shares over the next two years. The stock trades for 9x cash flow.

Rockwell Automation Inc. said last week that its board has approved a $1 billion common stock repurchase plan on top of a billion-dollar stock buyback plan approved in February. The move clears the company to buy back up to $2 billion in stock under the two authorizations. Milwaukee-based Rockwell is a global manufacturer of industrial automation systems and controls. The company also issued its 2008 outlook, and predicted strengthening customer demand in Europe and in emerging markets. The company expects to earn $4.25 per share to $4.45 per share for fiscal 2008. Rockwell predicts 2008 revenue 10 percent to 12 percent above its fiscal 2007 results, or between $5.5 billion and $5.6 billion. Analysts polled by Thomson Financial expect a profit of $4.30 per share on revenue of $5.38 billion. The stock trades for 9x cash flow.

The New York-based designer of high-end handbags and other accessories said Friday its board approved a stock-buyback plan worth up to $1 billion. The company, which plans to buy back the shares through June 2009, recently completed a $500 million repurchase plan authorized in October 2006. On Oct. 23, Coach reported fiscal first-quarter earnings of 41 cents a share on net income of $155 million, 32% higher than the $115 million, or 31 cents a share, it posted in the same period last year. Even amid the weak retail industry, Coach saw a 28% surge in sales. The company increased its 2008 revenue expectations by 22%. Coach now forecasts earnings of $3.17 billion, or $2.06 a share. Stacey Widlitz from Pali Research is bullish on Coach and reiterated a buy rating with a $60 price target, which represents a 66% premium compared to its latest closing price. Widlitz recommends taking advantage of the rare entry point into one of America's preeminent designer names, at a P/E of 15.2 (versus historic levels over 25x).