Shares of direct-to-consumer telehealth business Hims & Hers Health (HIMS 0.61%) are up 30% since the company reported its Q4 earnings. The little-known $2 billion company is grabbing investors' attention with eye-popping growth and rapidly improving financials.It often feels like you've missed the boat when you sit there reading about another stock that got hot before you realized what was happening, but you haven't -- Hims & Hers is still a magnificent buy for long-term investors today.I'll detail why the ...