Aviation

SIA's passenger yields drop to near 4-year lows

It's sacrificing yields to defend market share.

SIA's profits soared 78.2% to $160.6m

Aided by better associate performance, one-off gains.

Tigerair hammered by $24m associates losses

Investors' patience may be wearing thin.

SIA, SingTel investment plans in India get go-ahead

SIA's full-service airline in India underway.