Look at these companies that are making waves in extended trading.

Micron — The chip manufacturer’s shares increased more than 4% in the hours following the announcement of its financial results for the most recent quarter. Micron’s quarterly earnings and revenue beat Wall Street expectations. The company also reported positive revenues and adjusted earnings guidance in its third quarter.

Lululemon — Following the quarterly earnings report, Lulumon’s shares jumped about 7 percent. Lululemon’s earnings were 9 cents better than what analysts predicted, but it did report a decrease in revenue. Lululemon also announced a $1 million stock buyback program.

RH — The home furnishings retailer saw shares decline by more than 5% following its quarterly results. RH’s most recent quarter saw earnings beat, but it reported $901.5m in revenue, which was $931.8m less than the estimates. In the spring, RH will also announce a three-for-1 stock split.

Chewy — The pet supply company tumbled after hours after reporting a wider than expected quarterly loss of 15 cents per share, versus the estimate of 8 cents, and a revenue miss. It issued poor revenue guidance for the whole year, as well as the quarter.