These are the top companies that made headlines Monday morning in midday trading.

Solar companies — Solar stocks jumped after the Biden administration announced it would suspend tariffs on panel productsSeveral Southeast Asian countries. For 24 months, the levies will be stopped. SunrunShares traded at more than 9 percent higher while SunPowerPopped 6.3% Enphase EnergyShares rose 7.1%

Twitter — Shares of Twitter fell 2.8% after Elon Musk accused the company of “resisting and thwarting”His right to receive information on fake accounts, as per Monday’s legal letter.

Eli Lilly — The drugmaker climbed 2.4% after it reported successful results from a study involving diabetes drugs Jardiance and Trulicity. Jardiance had a lower relative risk of being admitted for heart disease. Trulicity demonstrated that it had a higher success rate in reducing your A1C levels (the amount of sugar-coated hemoglobin found in red blood cells).

Spirit Airlines — Shares of the discount air carrier jumped about 6% after its bigger rival, JetBlue Airways, sweetened its offer to buy the company Monday. JetBlue rejected Spirit’s original offer of $30 per share. The new terms would allow Spirit shareholders to receive $31.50 each share. JetBlueShares rose 1.8%

Keurig Dr Pepper — Shares of the beverage maker rose 5.1%, along with a handful of others names, after S&P Dow Jones Indices announced it would be added to the S&P 500 index later this month. Additional additions On SemiconductorAnd Vici PropertiesEach gained around 5%

DiDi Global — Shares of the Chinese ride-hailing giant surged 35.2% after The Wall Street Journal reported regulators are concluding investigations into the company. The Journal reported the authorities will lift Didi’s ban against adding new users within the next week, and restore Didi’s app to domestic app stores. Didi is one of Beijing’s worst-hit businesses and was the focus of cybersecurity investigation since the U.S. IPO.

CrowdStrike — Shares of the cybersecurity company rose 4.6% after Morgan Stanley upgraded them to overweightAs the macro environment becomes more uncertain, you can call them buys when they have equal weight.

— CNBC’s Yun Li and Fred Imbert contributed reporting