Dow Jones futures fell slightly after hours, while S&P 500 futures and Nasdaq futures rose slightly. TeslaTSLA and ...

As meme-stock mania has returned, traders on the platform bragged about their gains and urged one another to hang tough, even as volatility rocked a few of the latest crop of buzzy names on Wednesday.

Optimism spilled over to individual stocks, with 10 companies notable for their outperformance during the session.