Indian equities were ruling in the red intra-day today after a key index opened lower, after rising more than 400 points this week.The Sensex) at the Bombay Stock Exchange opened at 17,459.72 points, against the previous close at 17,503.71 points. After moving to an intra-day high of 17,507.90 points and a low of 17,442.23 points, it was ruling at 17,480.13 points. At this level, the barometer index was down 23.58 points, or 0.13 percent. As many as 16 of the 30 shares that comprise the Sensex basket were in the red.