Shares of Super Micro Computer (SMCI) are plunging after the server company announced its third quarter earnings date, but didn’t pre-announce its results. It has investors concerned the quarterly update may not be as bullish as they had hoped. Bitcoin (BTC-USD) is rising ahead of its much-anticipated halving, which is expected to happen this weekend. Other trending tickers on Yahoo Finance include Netflix (NFLX), Nvidia (NVDA), and American Express (AXP).

Top guests today include:

3:05 p.m. ET - Alex Morris, F/m Investments President and Chief Investment Officer

3:15 p.m. ET - Stacy Rasgon, Bernstein Managing Director and Senior Analyst

4:05 p.m. ET - Karen Karniol-Tambour, Bridgewater Associates Co-Chief Investment Officer

4:20 p.m. ET - Brian Gardner, Stifel Chief Washington Policy Strategist

Be sure to check out Yahoo Finance's Bitcoin halving: Explained to learn more.