Midday Report: Symantec Jumps on Investment; U.S. Stocks Slump

U.S. stocks extended their decline after a weaker-than-expected jobs report stoked fears over the health of the U.S. economy. Poor earnings from LinkedIn (LNKD) also triggered a selloff among high-momentum tech names. Tableau Software (DATA) contributed to tech losses, tumbling more than 30% after weaker guidance raised red flags over its growth momentum. In its recent quarter, licensing revenue fell to 31%, slowing to half the growth of six months earlier. Symantec (SYMC) was an outlier in the tech space, jumping on news that private-equity firm Silver Lake Partners had invested $500 million. Tyson Foods (TSN) climbed after lower animal and feed prices boosted quarterly margins. TheStreet's Keris Lahiff reports from Wall Street.