After months of a very public proxy battle, hours before a vote to decide their fate, Canadian Pacific’s (TSE:CP) beleaguered CEO has resigned, and five other board members have said they will not stand for re-election.

Implant Sciences Corp. (OTCPK:IMSC) is looking to expand the markets where its Quantum Sniffer explosive and narcotics detectors are deployed, as the company continues to pursue and win key contracts.

Two of the world's major automakers Friday posted earnings with Ford Motor Co. (NYSE:F) recording a 45 percent drop in first-quarter net income while Honda (NYSE:HND) posted a jump of 61% in profits.

Caterpillar (NYSE:CAT) said Wednesday first quarter profit rose 29 percent amid sales growth led by higher volumes and demand in the US, boosting its full year earnings forecast.

Canadian Pacific Railway (CP)(TSE:CP) Friday beat analyst expectations with a $142-million profit in the first quarter, or 82 cents per share.