The traders who showed up weren't making many big moves in the extra session Tuesday, as a general lack of news kept buyers and sellers on the sidelines.
The Nasdaq 100 Unit Trust (QQQ - Get Report) was the most active issue on Instinet after the bell, where it lost 0.6% to $30.92. Overall, volume was on the light side. More than an hour into extra trading, around 1.8 million shares changed hands among the 20 most active stocks on Instinet.
Chip-equipment maker Novellus (NVLS) was off 2.4% to $45.54 as the company offered essentially lukewarm comments during its midquarter update. Semiconductor gearmaker Applied Materials (AMAT) was down 1.9%.