Investors may be wise to tread carefully with M&S. Its shares have rocketed by more than 65 per cent this calendar year and the price is now above where it was in early June 2008 - before the worst of the credit crunch.While other retail shares are more expensive, M&S's shares, which trade on a 2010 price earnings ratio of 13.5 times, are not cheap. Given that Sir Stuart Rose is likely to endorse recent gloomy comments from rivals about a poor 2010 for the high street, investors may wish to hang on to their shares and place a bet on his eventual successor instead. Hold says the Independent.At 130p, property group London & Stamford shares trade at a 21% premium to the mid-range forecast net asset value per share of 106.9p for its current financial year. But given its board's history of value creation, good progress to date and the compensation of 3.4% dividend yield, they remain a buy says the Times.The credit crunch has been a tough time for small-cap oil explorers, and it has been a tough time for Roxi Petroleum. But with a $5m loan from Arawak set to convert to equity if it not repaid by next June, and global economic recovery far from certain, Roxi is a sell says the Independent.Phoenix IT's pre-tax profits and cash generation for the six months to September 30 remain "in line" with forecasts, while the company continues to pay down its £87m of net debt. Overall, trading in the second quarter of Phoenix's financial year was better than the first. With the shares still reasonably valued ? trading at less than nine times earnings at yesterday's 227½p ? stay on board says the Times.Pawnbroker Albemarle & Bond on Monday posted an 18% increase in revenues, coupled by an even more impressive 50% increase in pre-tax profits for the year to June. Management said it could not promise to repeat this kind of dividend growth in the future, but that the dividend policy was "progressive"; when profits go up so will the dividend. The shares are yielding 3.7% and trading on a price of 11 times next year's earnings. Buy says the Telegraph. Brewer SABMiller shares are trading on 16.3 times next year's earnings and yielding 2.6%. Hold on for further growth says the Telegraph.Personal Group administers employee benefit schemes and sells insurance policies to largely blue-collar workforces and, through its healthcare plan, pays out claims to policyholders to cover hospital stays. At 272½p, or 14 times earnings, there is no reason to rush in until swine flu has flown the Times suggests. Eurasia Mining is tiny even by the standards of the small-cap mining sector: with a market capitalisation of less than £4m, the group can be nothing more than a punt at the best of times. Eencouraging news from its West Kytlim propsect is good, but wait for more good news before digging in. Hold sayys the Independent.