Traders have taken advantage of stock market dips in the past week to scoop up US shares, even as questions persist about the new Omicron coronavirus variant and the future direction of monetary policy. Stocks including Apple, Advanced Micro Devices, Microsoft and TESLA$Tesla Motors(TSLA)$ all benefited from the shifts by retail traders. Getting more people into investing could be a good thing. Long-term holdings of stocks can be an important wealth generator, and getting a greater share of society involved in financial markets—in a responsible way—could help reduce the wealth gap, giving more people opportunities to save for a home, retire, or afford education. But as social media helps bring in and inform a new wave of traders,