Global markets react to world news with a swift, sometimes mercurial rhythm that mirrors how information travels across today’s interconnected economy, where headlines flicker across screens, rumors swirl on social feeds, and traders instantly price in shifts to growth trajectories, inflation pressures, and policy expectations, creating a cascade of price moves that can redefine risk and opportunity across equities, bonds, currencies, and commodities within minutes.Beyond the immediate flash, the persistence and depth of any move depend on how policymakers respond, including central bank decisions and communications, and this is why central bank responses to world news matter as much as the headlines themselves, since credibility and forward guidance shape the curvature of curves, the pace of monetary tightening or easing, and the likelihood of a regime shift that outlives a single release.