The NZ sharemarket dipped as Fletcher Building shares fell further.

Oil prices suffered one of their steepest single-day falls in five years on Tuesday.

'The inclination is not to do too much,' Forsyth Barr analyst Peter Sigley said.

BGH's tilt at Tourism Holdings has sparked more merger and acquisition speculation.

The New Zealand sharemarket was flat today, with the NZX50 falling by 58.27 points.

The S&P/NZX 50 Index closed down 0.10%, falling to 12,627.32.

Concerns about the US dollar have seen other currencies gain, including the NZ dollar.

Infratil rose nearly 4% during an announcement-light day on the bourse.

Fletcher Building, Spark and Ryman are potentially all on the radar.

The S&P/NZX 50 closed up 0.34% today after a spike in oil prices globally.

"Fastest to $20m revenue."

There were 60 gainers on the main board and 60 decliners today.

Scales Corporation shares are up after it upgraded guidance.

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Briscoe Group's strong day came at The Warehouse Group's expense.

Lake levels are close to average, easing fears of a power shortage.

Cameron Mitchell on the trade war risk and how to live with uncertainty.

Plus: Auckland Airport and Spark are back in favour with analysts at Morningstar.

Ryman Healthcare, Argosy Property and Goodman all recorded share price rises.

Share volumes amounting to $243.9 million changed hands across the main board on Tuesday.

Lower bond yields have helped drive the NZ sharemarket sharply higher at the close.

Rising world bond yields are unsettling sharemarket investors.

Sybos Holdings sold about 27 million shares in Ebos Group at $35.50 a share.

Results from Fisher & Paykel Healthcare and Infratil dragged the market down.

The bank cut the Official Cash Rate but gave few clues as to what it will do next.

The NZSA says past changes make a fee more palatable but clearer disclosure's needed.

Markets were quiet ahead of Fisher & Paykel Healthcare's earnings on Wednesday.