Goldman Sachs analyst Eric Sheridan reiterated a Buy rating on Pinterest, Inc. PINS on Friday, raising the price forecast from $40 to $42.On Thursday, Pinterest reported first-quarter revenue of $855 million, beating estimates of $846.59 million.The idea discovery platform company reported first-quarter adjusted earnings of 23 cents per share, missing analyst estimates of 26 cents per share.Sheridan characterized Pinterest’s first quarter results as strong overall, emphasizing several encouraging trends.Als ...