Shares of Boeing and Walgreens Boots are trading higher Thursday morning, sending the Dow Jones Industrial Average into positive territory. Shares of Boeing /zigman2/quotes/208579720/composite BA +4.90% and Walgreens Boots /zigman2/quotes/203410933/composite WBA +2.27% have contributed about a quarter of the index's intraday rally, as the Dow /zigman2/quotes/210598065/realtime DJIA +1.79% was most recently trading 80 points higher (0.3%). Boeing's shares are up $9.53 (2.9%) while those of Walgreens Boots have risen $0.78, or 1.5%, combining for a roughly 70-point bump for the Dow. Other components contributing significantly to the gain include Microsoft /zigman2/quotes/207732364/composite MSFT -0.08% , Walt Disney /zigman2/quotes/203410047/composite DIS +3.86% , and Procter & Gamble /zigman2/quotes/202894679/composite PG +2.29% . A $1 move in any of the Dow's 30 components equates to a 6.78-point swing.