Your thesis would undoubtedly find support on certain message boards; however, I don’t believe Big Pharma engage in Machiavellian schemes to drive down the share prices of companies they would like to acquire.
The FDA issues news releases at all times of day with no regard whatsoever for the stock market, so the timing of yesterday’s V-Pak release was not unusual in any way.
“The efficient-market hypothesis may be the foremost piece of B.S. ever promulgated in any area of human knowledge!”