Shares of Boeing were up $7.45, or 2.4%, equating to a more than 50-point gain for the price-weighted Dow . A $1 move in any one of the Dow's 30 components translates to a 6.83-point swing in the average.
For most patients, post concussion symptoms go away within a few days to several weeks after the original injury occurs.[In others, symptoms may remain for three to six months.In a small percentage of patients, symptoms may persist for years or may be permanent.
The symptoms of a concussion range from subtle to obvious and usually happen right after the injury but may take hours to days to show up. Athletes who have had concussions may report feeling normal before their brain has fully recovered. With most concussions, the player is not knocked out or unconscious.