This dialysis stock has been on fire this year. Deutsche Bank sees more gains ahead

Investors should scoop up shares of Davita as demand for the company's treatments picks up, according to Deutsche Bank. The bank upgraded the dialysis service provider to buy from hold. Is also raised its price target to $220 from $126, implying 40% upside from Tuesday's close. Davita reported better-than-expected earnings for the first quarter on Tuesday, sending shares nearly 6% higher in off-hours trading. …