Disappointingly weak jobs data sent the markets tumbling during the midday with the Dow dropping 83 points to 14,522. Nasdaq fell 31 points to 3193.
On the upside
Shares of vaccine maker Sinovac Biotech (Nasdaq: SVA) rose after a sixth person died of the avian flu in China. Flu treatment maker BioCryst Pharmaceuticals (Nasdaq: BCRX) also climbed.
EnergySolutions (NYSE: ES) amended its acquisition agreement to receive a higher price of $4.15 per share in cash from Energy Capital Partners II.
A Seeking Alpha contributor wrote that Glu Mobile (Nasdaq: GLUU) could eek out a profit for the first quarter.
On the downside
Renewed concerns about Apple's (Nasdaq: APPL) upcoming iRadio sent shares of Pandora Media (NYSE: P) tumbling.
F5 Networks' (Nasdaq: FFIV) earnings warning weighed down shares of Cavium (Nasdaq: CAVM).
Saba Software (Nasdaq: SABA) warned that it would be delisted from Nasdaq for failing to comply with financial filing requirements.
In the broad market, declining issues outpaced advancers by a margin of nearly 5 to 3 on the NYSE and by nearly 2 to 1 on Nasdaq. The broader S&P 500 index fell 13 points to 1546.