Jerome PowellCarolyn Kaster/APThis is an excerpt from the Insider Today newsletter.You can sign up for Business Insider's daily newsletter here.One down. One to go.Wednesday's interest-rate cut might have marked the end of the Fed's fight with inflation, but it also signaled the start of another battle with an equally formidable foe: the job market.The central bank's jumbo cut shows the concern isn't prices continuing to go up, but the number of available jobs going down.Fixing the labor market is a tricky thing.