Lattice Semiconductor and Rambus shares fall after results, and other stocks on the move

Here are some of the biggest movers of the day:

Stock gainers: Shares of Arista Networks Inc.
ANET,
+2.65%
soared 14% following its fiscal second-quarter earnings report. The company posted better-than-expected revenue and earnings, and it offered third-quarter revenue guidance that easily topped analysts’ estimates.

Uber Technologies shares
UBER,
+2.74%
rose 2%, with the company due to present second-quarter results.