* Ukraine asks NATO for more weapons as Russia regroups for new attacks
* Treasury Sec. warns of ‘enormous’ economic repercussions from war in Ukraine
* China warns US against House Speaker Pelosi visiting Taiwan
* Fed officials decide to shrink balance sheet soon, minutes indicate
* Fed funds futures pricing in relatively high odds of 50-basis-point rate hikes
* Big oil bosses say there’s no quick fix to oil shortage
* Senate expected to confirm Jackson to Supreme Court today
* Russia appears to default on its debt after payments made in roubles
* Global economic activity slowed in March via Composite PMI, a GDP proxy: