May 28 (Reuters) - Several exchange operators on Tuesday re-enabled routing to Members Exchange (MEMX) after disabling it for a brief period. MEMX Equities delayed the opening of its pre-market session to 08:45 a.m. ET as the stock exchange encountered an issue. It did not clarify what the issue was. The exchange normally starts its pre-market trading session at 7:00...

May 28 (Reuters) - Johnson & Johnson ( JNJ ) on Tuesday agreed to acquire the rights to an experimental skin disorder treatment from privately held Numab Therapeutics for about $1.25 billion, its second deal for an eczema-focused company this month. J&J will acquire a unit of Numab, backed by the parent of Danish drugmaker Novo Nordisk, to gain rights...

XPeng Inc. ( XPEV ) shares are trading slightly higher in the morning session on Tuesday. Ahead of its scheduled June debut, the first model of XPeng’s sub-brand, codenamed Mona, has been reportedly unveiled in an undisguised spy photo for the first time, CnEV Post reported. The image circulating in many WeChat groups today shows what is suspected to be Mona’s first models seen on the road and without any camouflage....

May 28 - With mining rewards halved, mining difficulty elevated and the shiny new bitcoin exchange-traded funds (ETFs) stealing investor capital, it's been a tough year for bitcoin miners. Marathon Digital ( MARA ) and Riot Platforms ( RIOT ), among the biggest U.S.-listed miners, have dropped about 10% and 33% respectively so far this year, even as bitcoin has...