(ShareCast News) - BHP Billiton director Malcolm Broomhead showed his faith in the company by purchasing 10,000 shares on Friday at AUD$17.34 a piece.F&C Reals Estate's David Ross spent £18,000 buying 18,760 shares in his firm at 96.5p each.Top Director BuysBHP Billiton (BLT)Director name: Broomhead,Malcolm Amount purchased: 10,000 @ $17.34Value: $123,101.04F&C UK Real Estate Investments Limited (FCRE)Director name: Ross,DavidAmount purchased: 18,760 @ 96.50pValue: £18,103.40