company and their stock fell with all other oilfield service companies and oil companies as Covid started to impact the country. Trump had absolutely nothing to do with it. Post covid the price has recovered. Schlumberger (the other major oil field service company) recorded an extremely low share price on the same day Halliburton fell to $5 per share (March 1, 2020)
https://finance.yahoo.com/quote/HAL/
https://finance.yahoo.com/quote/SLB/