Snapshot: Market ends week with big milestones

Optimism about the economy swept through the market Friday, pushing two key indexes past major milestones. After weeks of mixed signals about manufacturing and earnings, a surprisingly strong US jobs report gave investors confidence that the economy isn’t about to falter. The market jumped from the opening bell. Traders donned party hats, and a wave of buying helped the S&P 500 index crack the 1,600 mark for the first time. The Dow broke through 15,000. Jobs are crucial to keeping the stock market climbing. The S&P 500 is up 13 percent from the start of the year. The Dow is up 14 percent.