(Reuters) - Lyft Inc plans to lay off 982 employees, or 17% of the ride-hailing firm's workforce, due to economic challenges caused by the coronavirus pandemic, the company said in a regulatory filing on Wednesday.The company's shares were up 5% in afternoon trading.Lyft said it estimates to incur about $28 million to $36 million of restructuring charges, primarily related to the layoffs. (https://bit.ly/2KG7iXs)Directors of the company's board have voluntarily agreed to forego 30% of their..