By Anna Irrera NEW YORK (Reuters) – President elect Donald Trump is pro-business and anti-red tape. Companies whose technology helps banks and investors cope with the welter of post financial crisis regulations and avoid increasingly hefty fines – a sector known as "regtech" – are sanguine about Trump’s pledge to dismantle some of those reforms. "Change is itself a driver of regtech adoption," said David Buxton, the chief executive of compliance startup Arachnys.