GW Pharmaceuticals PLC shares rose 2.1% in the extended session Tuesday after the company beat earnings expectations but reported lower-than-expected revenue. The company reported fiscal first-quarter net losses of $71.9 million, or 20 cents a share, compared with $61.8 million, or 20 cents a share, in the year-ago period. Revenue rose to $6.6 million from $2.2 million in the year-ago period. Analysts surveyed by FactSet had estimated losses of 23 cents a share on revenue of $11.4 million. For the fiscal second quarter, analysts model losses of 22 cents a share on sales of $22 million. GW Pharmaceuticals stock has gained 29% in the past year, with the S&P 500 index rising 0.6%.