shares of coursera inc rose after hours on thursday after the online education platforms fullyear sales forecast and firstquarter results came in above wall streets expectations and the company announced a stock buyback coursera said it expected fullyear sales of 600 million to 610 million compared with factset estimates for 6009 million firstquarter net loss was 324 million or 22 cents a share compared with 383 million or 27 cents a share in the same quarter last year revenue was 1476 million compared with 1204 million in the prioryear quarter analysts polled by factset expected revenue