One Medical, a concierge-like primary healthcare startup, closes up 58% on its first day of trading, after raising $245M in its IPO, and is now valued at $2.7B (Tara Bannow/Modern Healthcare)

Tara Bannow / Modern Healthcare:
One Medical, a concierge-like primary healthcare startup, closes up 58% on its first day of trading, after raising $245M in its IPO, and is now valued at $2.7B  —  Membership-based primary care platform One Medical's stock price jumped nearly 60% on its first day of trading Friday …