* Ukraine asks for more help, says Russia wants to split nation
* Territorial integrity is essential, Ukraine insists ahead of talks with Russia
* Biden’s remark on Putin creates anxiety for allies in West
* Defense companies eye rising military budgets sparked by Ukraine invasion
* Europe’s economy slows as Ukraine war takes a toll
* India buys discounted Russian oil and China may follow
* Part of the Treasury yield curve inverts for first time since 2006
* US average 30-year mortgage rate rises to three-year high: