 The two to check out the capsule while docked at the station. But the problems with the propulsion system used to maneuver the spacecraft prompted NASA and Boeing to delay the flight home by several days and eventually weeks. Stocks drifted lower on Wall Street Friday, erasing the S&P 500's gains for the week. The S&P 500 slipped 0.4% of its value Friday. However, it does remain close to record highs it set just last week. This is SRN News.