Marathon Oil (MRO)

The stock market's top performers of 2021 are a timeline of sorts, made up of meme stocks, oil plays and other major themes from across the year.

Looking for companies executing substantial dividend increases? These 14 stocks have upped the payout ante by a minimum of 100% this year.

The market rebounded violently from last week's selloff, led by a roaring energy sector in the face of climbing oil-price estimates.