Several analysts have improved their estimates for Apple in the wake of the company's first-quarter results. Perhaps the biggest adjustments have been made by Canaccord Genuity's Michael Walkley, who for instance has raised his price target for Apple stock from $560 to an unprecedented $650. "Very strong and best-ever iPhone, iPad, and Mac sales contributed to record Apple results," he writes in a new memo. "Appleís FQ2 guidance for pro forma EPS of $8.50 was also ahead of our $7.97 and consensus $8.02 estimate. We believe Apple is well positioned for very strong
