Shares of Goldman Sachs Group Inc. GS, +2.23% surged 2.3% in morning trading after big second-quarter profit and revenue beats, with the price gain enough to keep the Dow Jones Industrial Average DJIA, +0.02% in positive territory. The stock rose $4.88, which would add about 33 points to the Dow’s price, which is up 7 points. For the other Dow earnings reporters, J.P. Morgan Chase & Co.’s stock JPM, -0.05% slipped 41 cents, or 0.4%, and Johnson & Johnson shares JNJ, -1.46% gave up $1.60, or 1.2%; combined, those declines would shave about 14 points off the Dow’s price.