By Bret Kenwell Tesla stock has been racing higher, but is now coming into an area of resistance. Can it continue higher from here? Investors in Tesla (TSLA) – Get Tesla Inc. Report have quietly enjoyed recent trading, including Friday’s action with the shares up 3% on the day. The Austin electric-car titan’s shares are now up in four of the past five sessions and three of the past four. In that stretch we’ve seen a total rally of almost 18%. And the shares now are testing into several key measures. This week has been a decisive win for the bulls, after the shares gapped down on Tuesday follow…