Analysts at B. of A. Securities on Tuesday tweaked their price target on Tesla Inc. /zigman2/quotes/203558040/composite TSLA -0.95% stock to $900, from $800, ahead of the electric-car maker's third-quarter earnings on Wednesday. That implies an upside around 3.5% over Tuesday's share price. Tesla got a "slight premium" over B. of A.'s expectations to factor in "(Tesla's) track record of growth, consistent capital raises, and overall investor hype," the analysts said in a note. Tesla has gained 23% so far this year, compared with gains around 20% for the S&P 500 index in the same period.