Tesco’s first Quarter Interim Management Statement 2014/15 is set to be issued tomorrow morning and expectations are low to say the least after the release of sales data from a data auditing firm today.

Vodafone shares dropped 5.5% yesterday and a further 2% today to hit 202p, after delivering a profits warning for 2015 with their results for the year ending March 2014.

The disappointment was palpable amongst AstraZeneca’s shareholders this morning with their shares plummeting up to 15% at the open to around £41.50 after the drug company rejected the latest offer by Pfizer for the company.

It felt like the worst could be over for UK listed mining stocks. But the positive mood didn’t last long towards the end of the week, with Rio dropping 2.5% to £32.86 and BHP Billiton falling 1.5% to £19.53 on Friday as the troubles surrounding the price of iron ore continued to plague the large mining groups.

Another big IPO is due to hit the London Stock Exchange shortly with Saga, the over 50 years of age focused financial services company.

The FTSE 350 oil and gas producers index has had a good last few weeks after a series of mergers and acquistions deals involving the likes of Heritage Oil and the Qatari’s as well as Glencore and Chad focused Caracal Energy.

It’s amazing what a difference a year makes when it comes to Apple shares. Last summer the shares dropped as low as $388. This week they had bounced back all the way to $600, their highest since October 2012 but still off their highs in September 2012 when they hit $700. The current market cap is $512 billion.

A big week for UK supermarket shares this week with Sainsbury reporting on Wednesday, Morrison’s on Thursday.

With the takeover of Nigeria focused oil producer, Heritage Oil, announced last week by a vehicle controlled by Qatar’s former Prime Minister for £924 million, I’ve been taking a look at Seplat another Nigeria focused oil company which recently listed on the LSE.

Gulf Keystone Petroleum shares are up 7% to 103.5p after the company was forced to deny rumours that infamous Chief Executive Todd Kozel was on the verge of being ousted and there was also news from the Iraqi elections.