RE: BP ADR $39.91 up 3.2% = £5.479 Feb 2023 23:59
h100
''look at last night's, which we followed with a good rally in London today''
no - today's rally in price was from london opening, gradually increasing to near the closing price by about 9.30am.
A good increase in valuation during ADR trading in the US and held overnight due to no influences,would show as an increase in London at the following mornings open at 8.am.
The price at close in the US based on the exchange rate at this precise moment equates to a share price of 543p - below London's closing price