Pooja Malik ( ) Artigiani Technologies, the parent company of cab ride-hailing aggregator Ola, has seen its valuation sliced by Vanguard by around 35% to $4.8 billion from its peak of $7.4 billion.It is the third valuation deprecation of the ride-hailing platform by the same investor, as reported by VCCircle.The US-based investment management firm valued its stake in Ola at $51,825,000 in August 2022, it reduced its holding to the tune of $33,865,000 at the end of February this year.The cutback has come at a time when...