Stock indexes rose into positive territory Tuesday, with technology stocks leading the way. Bond yields remained below their highs, though markets were still showing concern about tighter monetary policy.

The Dow Jones Industrial Average was up 39 points, or 0.1%, while the S&P 500 rose 0.4%. The tech-heavy Nasdaq Composite added 0.9%. All three indexes had been in the red earlier on Tuesday morning. The tech-heavy Nasdaq also staged a late-day comeback on Monday to snap a four-day losing streak that featured a 9% drop from…