Shares of some top internet companies are mixed at 10 a.m.:

Amazon rose $4.21 or 1.2 percent, to $350.41.

eBay fell $.67 or 1.3 percent, to $50.84.

Google A rose $1.02 or .2 percent, to $587.67.

Groupon Inc. fell $.01 or .2 percent, to $6.57.

LinkedIn Corp. rose $2.42 or 1.5 percent, to $159.00.

Yahoo rose $.28 or .8 percent, to $35.71.

Zynga Inc. fell $.04 or 1.2 percent, to $3.20.