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Petra parcel blocked

Tanzanian authorities have blocked the export of a 71.6kct parcel of diamonds from Petra's Williamson mine.

Momentum screen rocked by miners

Resources stocks’ recent gyrations means mining is the dominant theme in our quarterly blue-chip momentum screen

Rockhopper still a good risk-reward trade

Half-year results for the oil and gas outfit provided further hope for its Sea Lion project

EnQuest’s Kraken field awakes, hits snooze

The North Sea producer cannot afford any more hiccups from its giant project

Margins open up at Atalaya

Stabilising costs, alongside better grades, recovery rates and prices are combining well for the copper miner

Xaar faces a test of vision

One and a half years into a new strategy, the printing specialist is showing signs of diversification

Bulls set to go for Europa

Europa's Irish oil prospects bear a tantilising similarity to hot properties the other side of the Atlantic

Oil market weighs Harvey effect

The fallout from hurricane Harvey has started to emerge in global energy markets

Market slowly digests IQE's inflection promise

We call time on our profitable buy tip for the semiconductor supplier

Alumasc leans on US dollar income hedge

Expansion in US-bound solar shading products has helped the building materials group's bottom line