- Senior said recent trading has been slightly ahead of previous expectations, driven by a good performance in November and December.

The component manufacturer said it would also benefit from a one-off reduction in its effective tax rate for the year ended 31 December 2017.

Subject to audit, it anticipated an adjusted tax rate of 17.5%, which was 2.5 percentage points below previous expectations.

"The board therefore expects the group's 2017 adjusted earnings per share will also be proportionately ahead of previous expectations," Senior said.

At 8:15am: [LON:SNR] Senior PLC share price was +6.7p at 274.9p

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