Standard & Poor’s 500 Index futures expiring in March fell less than 0.1 percent to 1,346.10.

Cisco Systems Inc. (CSCO) gained 2.8 percent to $21. The biggest maker of networking equipment reported profit and sales that exceeded analysts’ estimates, signaling that corporate- network revenue helped make up for slower spending by phone and cable companies.

Diamond Foods Inc. (DMND) plunged 35 percent to $23.99. The snack maker said it will restate earnings for the past two years and replace its chief executive officer and chief financial officer after an internal probe found the company booked payments to walnut growers in the wrong periods.

Groupon Inc. (GRPN) (GRPN US) slumped 6 percent to $23.10. The largest daily-deal site had an unexpected fourth-quarter loss after an expansion into lower-margin businesses sapped profitability during its first period as a publicly traded company.

Prudential Financial Inc. (PRU) increased 0.3 percent to $60.75. The life insurer that expanded in Japan through acquisitions said fourth-quarter profit more than tripled and beat analyst projections on non-U.S. earnings and narrower losses from investments and derivatives.

Select Comfort Corp. (SCSS) jumped 6.6 percent to $28.97. The maker of air bed mattresses posted fourth-quarter earnings excluding some items of 24 cents a share, exceeding the average analyst estimate for 22 cents, data compiled by Bloomberg show.

TriQuint Semiconductor Inc. (TQNT) fell 6.4 percent to $6.40. The chipmaker forecast first-quarter excluding some items earnings of 1 cent to 3 cents a share, compared with the average analyst estimate of 3 cents, data compiled by Bloomberg show.

Visa Inc. (V) advanced 2.5 percent to $111.07. The world’s biggest payments network said fiscal first-quarter profit climbed 16 percent, exceeding analyst projections, as consumers increased use of credit and debit cards.

To contact the reporter on this story: Whitney Kisling in New York at wkisling@bloomberg.net;

To contact the editor responsible for this story: Nick Baker at nbaker7@bloomberg.net.

http://www.bloomberg.com/news/2012-02-08/cisco-diamond-foods-groupon-triquint-u-s-equity-preview.html

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